2025-2026 Trials Program
New Collection
Thank you for your interest in 2025-2026 GTH Trials Program. We value your participation and feedback.
Please use the link below to submit your trial observations, photos, and notes.
Thank you!
Alstroemeria Patagonia Cherry
Alstroemeria Patagonia Purple
Alstroemeria Patagonia Salmon
Anemone Dawn Breaker (June Blooming Japanese Anemone)
Aphelandra Nova Fuego
Asclepias tuberosa var interior
Brunnera - Experimental Groundcover
Cordyline Magic Star
Dahlia Café au Lait (First TC Production)
Digitalis Lucas Pink XXL
Echinacea Delicious Strawberry
Echinacea SunSeekers Limoncello
Echinacea SunSeekers Pink Grapefruit
Echinacea SunSeekers Racing Red
Geranium Plenum Violaxeum
Geum Firestarter
Geum Orange Pumpkin
Heliopsis Orange Marble
Helleborus Spring Sparkle Red
Helleborus Winter Sparkle Creme
Helleborus Winter Sparkle Pink
Helleborus Winter Sparkle Red
Helleborus Winter Sparkle White
Heuchera Eternal Flame
Limonium Dazzle Rocks
Musa Ever Red (Hardy to zone 5b)
Primula Aloha Sundance
Primula Aloha Sunshine
Primula Aloha Sunstar
Pulmonaria Lisa Marie
Rudbeckia Kick-Start Kissing
Rudbeckia Kick-Start Passion
Semponium Diamond
Semponium Sienna
Semponium Vortex
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Alstroemeria Patagonia Cherry
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Alstroemeria Patagonia Purple
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Alstroemeria Patagonia Salmon
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![June Blooming Japanese Anemone]()
Anemone Dawn Breaker
June Blooming Japanese Anemone
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Aphelandra Nova Fuego
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Asclepias tuberosa var interior
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Brunnera - Experimental Groundcover
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Cordyline Magic Star
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Dahlia Café au Lait
First TC Production
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Digitalis Lucas Pink XXL
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Echinacea SunSeekers Limoncello
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Echinacea SunSeekers Pink Grapefruit
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Echinacea SunSeekers Racing Red
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Geranium Plenum Violaxeum
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Geum Orange Pumpkin
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Heliopsis Orange Marble
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Helleborus Winter Sparkle Creme
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Helleborus Winter Sparkle Red
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Helleborus Winter Sparkle White
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Heuchera Eternal Flame
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Limonium Dazzle Rocks
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Musa Ever Red
Hardy to zone 5B
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Primula Aloha Sundance
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Primula Aloha Sunshine
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Primula Aloha Sunstar
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Pulmonaria Lisa Marie
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Rudbeckia Kick-Start Kissing
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Rudbeckia Kick-Start Passion
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Semponium Diamond
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Semponium Sienna
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Semponium Vortex
New Trial Requests
See something you like?
Take a moment to request new plant trials and your Sales Rep will be in touch!